2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Will these injectors fit my fc?

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Old Nov 18, 2004 | 09:50 AM
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Will these injectors fit my fc?

http://www.kniff.de/cgi-bin/cgiproxy...935543379&rd=1
Sorry its a real long adress, im at school and had to get around the firewall.
But umm ya I was wondering, I need to get new FI, so i was asking if these will fit my S4 TII?

Last edited by drunkin_idiot; Nov 18, 2004 at 09:52 AM.
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Old Nov 19, 2004 | 09:21 AM
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Anyone?
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Old Nov 19, 2004 | 09:30 AM
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Sort of - You need to check the diameter of the fuel rail socket.
You will also need to custom make the insulator grommet for the bottom.
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Old Nov 19, 2004 | 09:53 AM
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you know what change that question, I just offered to buy some 550cc high impedent injectors from an s5, would those fit. They were recently cleaned from RC.
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Old Nov 19, 2004 | 10:40 AM
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Scratch this whole topic, bahhhh!
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Old Nov 19, 2004 | 11:28 AM
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Originally Posted by drunkin_idiot
you know what change that question, I just offered to buy some 550cc high impedent injectors from an s5, would those fit. They were recently cleaned from RC.
Your S4 ECU is designed for low impedence injectors.
You won't get enough voltage to work the high impedence S5 injectors.
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Old Nov 19, 2004 | 12:09 PM
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Originally Posted by SureShot
Your S4 ECU is designed for low impedence injectors.
You won't get enough voltage to work the high impedence S5 injectors.
Nope, 88's were High impedance.
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Old Nov 19, 2004 | 12:57 PM
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some 88s were high some low. check it with a meter.
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Old Nov 19, 2004 | 04:28 PM
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Originally Posted by kuhlrx7
some 88s were high some low. check it with a meter.
WRONG AGAIN


EVERYONE: Stop giving out info when you do not absolutley for certain know!

87 was the year split on injectors. Search for forum for 87 TII impedience. IF you VIN is before a certrain number that I no longer remember off hand, if is low. If afterwards, it is high. All 88's are high. All S5's are high. Yes, the S5 will fit into your S4 but you will need to switch to the S5 type oval connectors from an S5 wiring harness. Simply cut out your square plugs and splice in the new ones.
-Jayson
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Old Nov 19, 2004 | 04:54 PM
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^^^

Yep in 87.5 it switched to high
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Old Nov 20, 2004 | 01:13 PM
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Ight, thanks guys!
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